84060661 has 4 divisors (see below), whose sum is σ = 85124800. Its totient is φ = 82996524.

The previous prime is 84060659. The next prime is 84060671. The reversal of 84060661 is 16606048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84060661 - 2¹ = 84060659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84060601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531951 + ... + 532108.

It is an arithmetic number, because the mean of its divisors is an integer number (21281200).

Almost surely, 2^84060661 is an apocalyptic number.

It is an amenable number.

84060661 is a deficient number, since it is larger than the sum of its proper divisors (1064139).

84060661 is a wasteful number, since it uses less digits than its factorization.

84060661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064138.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 84060661 is about 9168.4601215253. The cubic root of 84060661 is about 438.0573116418.

The spelling of 84060661 in words is "eighty-four million, sixty thousand, six hundred sixty-one".